set(HEADER_SPIRIT_UTILITY
    ${HEADER_SPIRIT_UTILITY}
    ${CMAKE_CURRENT_SOURCE_DIR}/Constants.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/Configurations.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/Configuration_Chain.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/Cubic_Hermite_Spline.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/Logging.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/Exception.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/Timing.hpp
    ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
    PARENT_SCOPE
)